Home / 107,074.80-147,763.08-59,331.24

Finding the Fourth Proportional to 107,074.80, 147,763.08 and 59,331.24

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Solution

The fourth proportional to 107,074.80, 147,763.08 and 59,331.24 is: 81,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,074.80 : 147,763.08 = 59,331.24 : x
  2. Step 2: Convert to fraction form
    107,074.80/147,763.08 = 59,331.24/x
  3. Step 3: Cross multiply
    107,074.80x = 147,763.08 × 59,331.24
  4. Step 4: Simplify right side
    107,074.80x = 8,766,966,762.62
  5. Step 5: Solve for x
    x = 8,766,966,762.62/107,074.80
  6. Step 6: Final answer
    x = 81,877.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.